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Scale and variance of radial liquid maldistribution in trickle beds
Alternative TitleChem. Eng. Sci.
Wang, YF; Mao, ZS; Chen, JY
1998-03-01
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume53Issue:6Pages:1153-1162
AbstractRadial distribution of liquid flow rate in a trickle bed with an inner diameter of 0.283 m was measured for various bed heights under varying flow conditions. The total variance of flow distribution was partitioned into large-scale and small-scale components, and the statistical method was used to analyze the experimental data and determine the scale of liquid maldistribution. The scale of nonuniform radial distribution varied from 0.02 to 0.3 m as indicated by diagrams of the power spectral density function (PSDF). Both scale and variance of small-scale maldistribution decrease as gas and liquid flow rates are increased, suggesting that maldistribution is mainly governed by gas-liquid interaction. On the contrary, large-scale liquid maldistribution (wall flow and central flow) was dominantly controlled by solid-liquid interaction. The experimental results also showed close relationship between some hydrodynamic phenomena and liquid distribution. (C) 1998 Elsevier Science Ltd. All rights reserved.; Radial distribution of liquid flow rate in a trickle bed with an inner diameter of 0.283 m was measured for various bed heights under varying flow conditions. The total variance of flow distribution was partitioned into large-scale and small-scale components, and the statistical method was used to analyze the experimental data and determine the scale of liquid maldistribution. The scale of nonuniform radial distribution varied from 0.02 to 0.3 m as indicated by diagrams of the power spectral density function (PSDF). Both scale and variance of small-scale maldistribution decrease as gas and liquid flow rates are increased, suggesting that maldistribution is mainly governed by gas-liquid interaction. On the contrary, large-scale liquid maldistribution (wall flow and central flow) was dominantly controlled by solid-liquid interaction. The experimental results also showed close relationship between some hydrodynamic phenomena and liquid distribution. (C) 1998 Elsevier Science Ltd. All rights reserved.
KeywordTrickle Bed Flow Maldistribution Small-scale Liquid Distribution
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCOCURRENT DOWNFLOW ; MASS-TRANSFER ; FLOW ; HYSTERESIS ; REACTORS ; MODEL
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000073473900005
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6055
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wang, YF,Mao, ZS,Chen, JY. Scale and variance of radial liquid maldistribution in trickle beds[J]. CHEMICAL ENGINEERING SCIENCE,1998,53(6):1153-1162.
APA Wang, YF,Mao, ZS,&Chen, JY.(1998).Scale and variance of radial liquid maldistribution in trickle beds.CHEMICAL ENGINEERING SCIENCE,53(6),1153-1162.
MLA Wang, YF,et al."Scale and variance of radial liquid maldistribution in trickle beds".CHEMICAL ENGINEERING SCIENCE 53.6(1998):1153-1162.
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